Who has been buying Kaneka Corporation stock?

11 distinct investors have filed 13 disclosed large-shareholding filings in Kaneka Corporation (4118), most recently on 2025-08-07. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Kaneka Corporation have?

Kaneka Corporation has 13 buy-side and 7 sell-side disclosures on record, covering ¥63.5B ($409.7M) in total reported value, spanning 2022-05-16 to 2025-08-07.

Where does StockDrifts get Kaneka Corporation insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Kaneka Corporation 4118

Company

株式会社カネカKaneka Corporation

Investors

Buys

Total Value

¥63.5B ($409.7M)

Avg Return

+27.76%

Last Filing

2025-08-07

Kaneka Corporation (4118) has 13 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥63.5B ($409.7M) in reported transaction value. The earliest filing StockDrifts holds for Kaneka Corporation is dated 2022-05-16; the most recent is 2025-08-07. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +27.76%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2025-08-07	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	3.1M	¥4,465	+11.6%	¥13.8B ($89.1M)
2025-08-07	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	243.2K	¥4,465	+11.6%	¥1.1B ($7.0M)
2024-07-29	BUY	Market Buy	ファースト・センティア・インベスターズ・アールキューアイ・ピーティーワイ・リミテッド First Sentier Investors RQI Pty Ltd	passive	163.7K	¥4,254	+17.2%	¥696M ($4.5M)
2024-07-29	BUY	Market Buy	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	402.9K	¥4,254	+17.2%	¥84M ($543K)
2024-07-29	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.8M	¥4,254	-17.2%	¥2.2B ($14.5M)
2024-07-29	BUY	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.3M	¥4,254	+17.2%	¥281M ($1.8M)
2023-10-20	SELL	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	other	0	¥3,740	-33.3%	¥1.1B ($7.2M)
2023-10-20	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	2.7M	¥3,740	+33.3%	¥10.1B ($65.3M)
2023-09-07	BUY	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	297.0K	¥4,222	+18.1%	¥1.3B ($8.1M)
2023-09-07	BUY	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	297.0K	¥4,222	+18.1%	¥1.3B ($8.1M)
2023-09-07	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	3.3M	¥4,222	+18.1%	¥14.1B ($91.0M)
2023-09-07	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	3.3M	¥4,222	+18.1%	¥14.1B ($91.0M)
2023-01-19	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	2.4M	¥3,245	-53.6%	¥2.6B ($16.9M)
2023-01-19	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	709.5K	¥3,245	+53.6%	¥22M ($142K)
2023-01-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	148.0K	¥3,245	+53.6%	¥480M ($3.1M)
2022-11-21	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	703.6K	¥3,440	-44.9%	¥117M ($755K)
2022-11-21	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	3.2M	¥3,440	+44.9%	¥11.0B ($71.2M)
2022-11-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	148.0K	¥3,440	+44.9%	¥509M ($3.3M)
2022-10-06	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	731.0K	¥3,800	-31.2%	¥2.3B ($14.7M)
2022-10-06	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	4.3M	¥3,800	-31.2%	¥1.4B ($8.8M)
2022-10-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	148.0K	¥3,800	+31.2%	¥562M ($3.6M)
2022-05-16	BUY	Market Buy	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	395.8K	¥3,330	+49.7%	¥702M ($4.5M)
2022-05-16	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.4M	¥3,330	-49.7%	¥2.3B ($14.8M)
2022-05-16	BUY	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.3M	¥3,330	+49.7%	¥226M ($1.5M)

Frequently asked questions

Who has been buying Kaneka Corporation stock?: 11 distinct investors have filed 13 disclosed large-shareholding filings in Kaneka Corporation (4118), most recently on 2025-08-07. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Kaneka Corporation have?: Kaneka Corporation has 13 buy-side and 7 sell-side disclosures on record, covering ¥63.5B ($409.7M) in total reported value, spanning 2022-05-16 to 2025-08-07.
Where does StockDrifts get Kaneka Corporation insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Kaneka Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.